Henry James Clark

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Henry James Clark (born June 22, 1826 in Easton , Massachusetts , † July 1, 1873 in Amherst , Massachusetts) was an American zoologist and botanist at Harvard University .

Clark earned a bachelor's degree from New York University in 1848 . He then worked as a teacher in White Plains , New York . In 1850 he went to Harvard University to study botany with Asa Gray and zoology with Louis Agassiz , but still gave lessons, at least temporarily, in Westfield , Massachusetts. In 1854, Clark received a Bachelor of Science degree from the Lawrence Scientific School at Harvard University and then worked as an assistant to Agassiz. He made numerous microscopic sections and drawings for his Contributions to the Natural History of the United States .

In 1860 Clark got a position as adjunct professor at Harvard, but in 1863 got into a dispute with Agassiz. In 1864, Clark lectured at the Lowell Institute , an educational institution in Boston , Massachusetts. In 1866 he received a professorship in botany, zoology and geology at the Agricultural College of Pennsylvania (now Pennsylvania State University ). 1869 he became a professor of natural history at the University of Kentucky , 1872 as a professor of veterinary medicine (veterinary science) at the Massachusetts Agricultural College (now University of Massachusetts Amherst ).

Clark was considered a leading microscope operator and outstanding draftsman and, together with Charles A. Spencer, was able to achieve various improvements in microscopes . He published scientifically on protozoa , radiata , infusoria , monads ( monas ) and sponges and was groundbreaking in the delimitation of these living beings from one another and in their assignment to the various biological realms . Clark was elected to the American Academy of Arts and Sciences in 1856, and to the National Academy of Sciences in 1872 .

Clark had been married to Mary Young Holbrook since 1854. Henry James Clark died in 1873 at the age of 47 of complications from organ tuberculosis . Seven of his children survived him. His grave is in West Cemetery in Amherst , Massachusetts.

literature

Individual evidence

  1. ↑ Book of Members 1780 – present, Chapter C. (PDF; 1.3 MB) In: American Academy of Arts and Sciences (amacad.org). Retrieved December 9, 2018 .
  2. ↑ Henry Clark. In: nasonline.org. American Academy of Arts and Sciences , accessed December 9, 2018 .
  3. ^ Henry James Clark in the Find a Grave database . Retrieved December 9, 2018.
personal data
SURNAME Clark, Henry James
BRIEF DESCRIPTION American zoologist and botanist
DATE OF BIRTH June 22, 1826
PLACE OF BIRTH Easton , Massachusetts
DATE OF DEATH July 1, 1873
Place of death Amherst , Massachusetts